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It’s one of the most widely used introductory economics textbooks in the world, written by a Harvard economics professor.
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The book explains foundational concepts in both microeconomics and macroeconomics — such as supply & demand, market efficiency, inflation, unemployment, trade, and public policy.
Principles of Electromagnetics (6th Edition) by Matthew N. O. Sadiku & S. V. Kulkarni provides a clear and concept-oriented introduction to electromagnetic theory.
It is widely used in ECE, EEE, and allied engineering courses, covering fields, waves, transmission lines, and applications with practical examples.
